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  2. Diesel exhaust fluid - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust_fluid

    Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue [3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water .

  3. Straits Research projects that the Automotive Selective ...

    lite.aol.com/tech/story/0022/20250203/9350860.htm

    New York, United States, Feb. 03, 2025 (GLOBE NEWSWIRE) -- Selective catalytic reduction (SCR) is a sophisticated way of actively reducing emissions, wherein a catalyst is utilized to inject a liquid-reductant agent into the exhaust stream of a diesel engine. Diesel exhaust fluid (DEF) is urea designed for use in automobiles and is the most ...

  4. Hydrotreated vegetable oil - Wikipedia

    en.wikipedia.org/wiki/Hydrotreated_vegetable_oil

    Renewable diesel from vegetable oil is a growing substitute for petroleum. [14] California fleets used over 200 million US gallons (760,000 m 3 ) of renewable diesel in 2017. The California Air Resources Board predicts that over 2 billion US gallons (7,600,000 m 3 ) of fuel will be consumed in the state under its Low Carbon Fuel Standard ...

  5. List of gasoline additives - Wikipedia

    en.wikipedia.org/wiki/List_of_gasoline_additives

    Fuel additives in general Ether and other flammable hydrocarbons have been used extensively as starting fluid for many difficult-to-start engines, especially diesel engines; Nitromethane, or "nitro", is a high-performance racing fuel; Acetone is a vaporization additive, mainly used with methanol racing fuel

  6. Methanol fuel - Wikipedia

    en.wikipedia.org/wiki/Methanol_fuel

    Methanol fuel is an alternative biofuel for internal combustion and other engines, either in combination with gasoline or independently. Methanol (CH 3 OH) is less expensive to sustainably produce than ethanol fuel , although it is more toxic than ethanol and has a lower energy density than gasoline .

  7. Diesel exhaust - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust

    Exposure to diesel exhaust and diesel particulate matter (DPM) is an occupational hazard to truckers, railroad workers, occupants of residential homes in the vicinity of a rail yard, and miners using diesel-powered equipment in underground mines. Adverse health effects have also been observed in the general population at ambient atmospheric ...